【marking sex is】a sexual act in which, like a dog marking its territory with urine, the other person is made to drink urine and is dominated exclusively. f-cup beautiful girl Yuri Fukada suddenly visits a fan's home ~ and goes on a rampage with the logic of "If you're a fan, you'll accept everything" with an immediate request for a little devil cunnilingus and a plea to drink urine! She's a super sweet character, but her perversion is fully unleashed! If marking is okay, then creampie sex!